Pith Number

pith:QXUTGW4S

pith:2008:QXUTGW4SLU26YTAGAHFR4VRQIA

not attested not anchored not stored refs pending

Dynamics of Connected Rigid Bodies in a Perfect Fluid

Melvin Leok, N. Harris McClamroch, Taeyoung Lee

arxiv:0809.1488 v1 · 2008-09-09 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QXUTGW4SLU26YTAGAHFR4VRQIA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-06-03T22:06:09.735698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85e9335b925d35ec4c0601cb1e56304002d469db7a341cd7abc86eb92a6d574a

Aliases

arxiv: 0809.1488 · arxiv_version: 0809.1488v1 · doi: 10.48550/arxiv.0809.1488 · pith_short_12: QXUTGW4SLU26 · pith_short_16: QXUTGW4SLU26YTAG · pith_short_8: QXUTGW4S

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QXUTGW4SLU26YTAGAHFR4VRQIA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 85e9335b925d35ec4c0601cb1e56304002d469db7a341cd7abc86eb92a6d574a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc8769823463da94a0abc595025b0e1c419f237ba0962d3fa11f5141c40b6926",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-09-09T06:09:59Z",
    "title_canon_sha256": "7dcb12a32652947f66f3b60aeb9b7c1390cf1e28c551853b80d3791b0c89d88a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1488",
    "kind": "arxiv",
    "version": 1
  }
}